Add licence

Signed-off-by: Joris Bodin <joris.bodin@infomaniak.com>

src/main/res/values-night-v21/styles.xml

@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Nextcloud Android client application
+
+  Copyright (C) 2020 Nextcloud
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+  License as published by the Free Software Foundation; either
+  version 3 of the License, or any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+  GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+
+  You should have received a copy of the GNU Affero General Public
+  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 <resources xmlns:android="http://schemas.android.com/apk/res/android">
 
     <style name="Theme.ownCloud.Toolbar.Drawer">

src/main/res/values-v19/styles.xml

@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Nextcloud Android client application
+
+  Copyright (C) 2020 Nextcloud
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+  License as published by the Free Software Foundation; either
+  version 3 of the License, or any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+  GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+
+  You should have received a copy of the GNU Affero General Public
+  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 <resources>
 
     <style name="Theme.ownCloud.Overlay" parent="Theme.ownCloud">
@@ -10,4 +28,4 @@
         <item name="actionBarStyle">@style/Theme.ownCloud.Overlay.ActionBar</item>
         <item name="windowActionBarOverlay">true</item>
     </style>
-</resources>
+</resources>

src/main/res/values-v27/styles.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Nextcloud Android client application
+
+  Copyright (C) 2020 Nextcloud
+  Copyright (C) 2020 Joris Bodin <joris.bodin@infomaniak.com>
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+  License as published by the Free Software Foundation; either
+  version 3 of the License, or any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+  GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+
+  You should have received a copy of the GNU Affero General Public
+  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 <resources xmlns:android="http://schemas.android.com/apk/res/android">
 
     <style name="Theme.ownCloud.Toolbar.Drawer" parent="Theme.ownCloud.Toolbar.DrawerBase">